Honeywell BA295STN-11/2C, Installation Instruction, Page: 7 / 14

MU1H-1235GE23 R0107 7 Honeywell GmbH
GB
10. Troubleshooting
Disturbance Cause Remedy
Discharge valve opens without
apparent reason Pressure strokes in water supply system Install a pressure reducing valve
upstream the backflow preventer
Fluctuating inlet pressure Install a pressure reducing valve
upstream the backflow preventer
Cartridge insert is contaminated Remove cartridge insert and
exchange it
Discharge valve don’t close
Deposits on valve seat Remove cartridge insert and clean or
exchange it
Damaged ’o’ring Remove cartridge insert and
exchange it
Leaky discharge valve Remove cartridge insert and clean or
exchange it
Flow is to low Inlet strainer is blocked Remove strainer and clean it
11. Spare Parts
12. Accessories
1 Cartridge insert
complete 1
1
/
2
" 0903745
2 Check valve insert
complete 1
1
/
2
" RV295STN-11/2C
1
2
TK295 Test kit
Electronic pressure measuring device with
digital indicator, battery-operated.
With case and accessories, ideal for inspec-
tion and maintenance of backflow preventer
type BA.
TKA295 Test kit
Analogue pressure measuring device with
differential pressure display.
With case and accessories, ideal for inspec-
tion and maintenance of backflow preventer
type BA.
TK295
TKA295